/Engine/Plugins/Online/WebAuth/Source/Public/WebAuthModule.h
Handle exec commands starting with "WebAuth"
true if the handler consumed the input, false to continue searching handlers
virtual bool Exec_Dev ( [UWorld](API\Runtime\Engine\Engine\UWorld) * InWorld, const TCHAR * Cmd, [FOutputDevice](API\Runtime\Core\Misc\FOutputDevice) & Ar )